EP 0913672 A1 19990506 - Transducer assembly
Title (en)
Transducer assembly
Title (de)
Wandler-Vorrichtung
Title (fr)
Dispositif transducteur
Publication
Application
Priority
GB 9722987 A 19971101
Abstract (en)
A transducer assembly adapted for the pulse-emission of a signal and comprising a transducer (10) with a drive-circuit (20) therefor. The circuit (20) includes a charge-storage device (21), a wound-coil device (23) and one or more switching-elements (24, 25). The assembly can be used to determine the level of a fluid in an enclosed vessel. <IMAGE>
IPC 1-7
IPC 8 full level
G01F 23/28 (2006.01); B06B 1/02 (2006.01); B06B 1/06 (2006.01); G01F 23/296 (2006.01)
CPC (source: EP US)
B06B 1/0215 (2013.01 - EP US); G01F 23/2961 (2013.01 - EP US)
Citation (search report)
- [X] US 3916373 A 19751028 - SCHRODER WOLFGANG
- [X] EP 0054703 A1 19820630 - SIEMENS AG [DE]
- [X] EP 0133570 A2 19850227 - SIEMENS AG [DE]
Citation (third parties)
Third party :
- GB 2277591 A 19941102 - FEDERAL IND IND GROUP INC [CA]
- US 4353004 A 19821005 - KLEINSCHMIDT PETER
- US 5073878 A 19911217 - GILCHRIST IAN R [US]
- US 4701893 A 19871020 - MULLER LON J [US], et al
- US 5260910 A 19931109 - PANTON STANLEY [CA]
Designated contracting state (EPC)
DE ES FR GB IT NL SE
DOCDB simple family (publication)
EP 0913672 A1 19990506; AU 754744 B2 20021121; AU 8962998 A 19990520; CA 2253131 A1 19990501; CA 2253131 C 20070213; GB 9722987 D0 19980107; JP H11207257 A 19990803; US 6234017 B1 20010522; ZA 989959 B 19990804
DOCDB simple family (application)
EP 98308904 A 19981030; AU 8962998 A 19981030; CA 2253131 A 19981030; GB 9722987 A 19971101; JP 31199098 A 19981102; US 18237498 A 19981029; ZA 989959 A 19981030